F5NNN — reception at SO8OO

Signals decoded by SO8OO in southeastern Poland. FT8 and CW have separate histories; all times are UTC.

FT8 activity

DXCC entity inferred from callsign: France Most frequent locator attributed to this token: IN94

Receiver-side FT8 activity involving F5NNN, decoded by SO8OO in southeastern Poland. 11,826 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, across 37 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-10-14.

These are automated observations at the SO8OO receiver, not an official contact log. Times are UTC. Attribution follows decoded FT8 message structure: CQ uses the first token and directed-looking messages use the second. Free text that resembles a directed message can be attributed imperfectly. Summary S/N reflects propagation plus SO8OO receiver, antenna and local-noise conditions. Counts are not adjusted for monitoring outages; transmissions that were not decoded are absent. Inferred entity and location data may be inaccurate for portable, remote or special-event operation.

SO8OO decoded 11,826 FT8 messages attributed to F5NNN as the transmitting token by decoded message structure across 37 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (42%), followed by 80 m (37%) and 20 m (21%). Most decodes (60%) fell within the six-hour window 22:00-04:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -7.3 dB.

Overview

11,826
Messages attributed
37
UTC dates decoded
664
Active 15-min windows
-7.3 dB
Estimated median S/N

Bands

First attributed message: 2026-06-06
Last attributed message: 2026-10-14 06:51 UTC

Observed FT8 message patterns

Attributed sample
11,826 messages
Active dates
37 UTC dates
Estimated median S/N
-7.3 dB
Estimated 10th-90th percentile
-15.3 to +1 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 1,169, moderate (-15 to -9 dB) 3,920, strong (≥ -8 dB) 6,737.

WSJT-X defines S/N reports against a 2,500 Hz reference noise bandwidth. The ranges above are SO8OO receiver-side display categories, not official WSJT-X classes, transmitter-power measurements or estimates of how easy the station is to hear elsewhere. Statistics include only successful decodes on SO8OO's monitored FT8 channels; transmissions that were not decoded are absent.

Attributed messages by UTC hour

Rolling 90-day UTC chart window. Counts follow decoded message structure: the first token for CQ, or the second token in a directed-looking message.

Most frequent locator attributed to F5NNN

The map compares the centres and boundaries of the locator field attributed to this token by decoded message structure, 2° × 1° as a Maidenhead square, and SO8OO's six-character receiver square. The separation is not an exact antenna-to-antenna distance or a radio-path length.

Attributed locator
IN94 · 9,285 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
1,816 km (approx.)
Last such locator decoded
2026-10-14 06:51 UTC

A decoded locator can describe portable, remote or special-event operation and is not proof of a permanent station address or transmitter identity.

Observed FT8 exchanges

S/N cells show: decoded at SO8OO / report transmitted by the counterpart. An observed exchange is not a QSL or an official logbook confirmation.

Time UTCBandF5NNN S/NCounterpartCounterpart S/NMsgsCapture
10-14 06:42 40m - / -15 SQ8V -3 / - 4 ✓ Closing fragment
10-14 06:10 40m -16 / - IK2ZJR - / - 2 Partial capture
10-14 06:09 40m -11 / - DD2MON -7 / -10 4 ✓ Closing observed
10-14 06:02 40m -16 / -11 IZ3CGL -8 / - 2 Partial capture
10-14 05:55 40m -20 / - DK9HN +9 / - 2 ✓ Closing observed
10-14 05:44 40m -17 / - LZ2KSQ - / - 2 Partial capture
10-14 05:24 40m -12 / - K0DD - / - 2 Partial capture
10-14 05:21 40m -16 / - UB3FBD -15 / - 3 ✓ Closing observed
10-14 05:13 40m -5 / - OD5ET - / -7 5 ✓ Closing fragment
10-14 05:11 40m -3 / - K5VAB - / -18 5 ✓ Closing fragment
10-14 05:08 40m -10 / - UA3VBD - / - 5 Partial capture
10-14 05:05 40m -15 / - YL3BF - / -10 6 ✓ Closing fragment
10-14 05:04 40m -10 / - WN0KS - / -15 3 ✓ Closing fragment
10-14 04:58 40m -5 / -15 RA6LHU -14 / -13 10 ✓ Full exchange observed
10-14 04:56 40m -6 / - KE9EUT - / -15 4 ✓ Closing fragment
10-14 04:53 40m -5 / - VE2AHG - / -15 6 ✓ Closing fragment
10-14 04:44 40m +1 / - KC5RCT - / - 5 Partial capture
10-14 04:41 40m -3 / - R6FML - / - 5 Partial capture
10-14 04:39 40m -10 / - KC9USW - / - 2 ✓ Closing fragment
10-14 04:36 40m -7 / - NI9D - / -14 5 ✓ Closing fragment
10-14 04:35 40m -8 / - K9MDR - / -8 3 ✓ Closing fragment
10-14 04:32 40m -8 / - AD9P - / - 5 Partial capture
10-14 04:30 40m -8 / - N4SIM - / -17 3 ✓ Closing fragment
10-14 04:29 40m -10 / - N3EMC - / +5 3 ✓ Closing fragment
10-14 04:24 40m -16 / - 4Z1RZ - / - 6 Partial capture
10-14 04:19 40m -12 / -8 RQ6K -13 / -15 6 ✓ Full exchange observed
10-14 04:17 40m -10 / - K5RJM - / -17 4 ✓ Closing fragment
10-14 04:13 40m -11 / - WP4SZA - / - 5 Partial capture
10-14 04:08 40m -16 / - IU5VKD/P - / - 3 Partial capture
10-14 04:06 40m -14 / - SP3DVO - / -13 3 ✓ Closing fragment
10-14 04:01 40m -12 / - UA4FLL - / - 6 Partial capture
10-14 03:58 40m -12 / - RA6OF - / - 5 Partial capture
10-14 03:55 40m -13 / - IU5VKD/P - / - 6 Partial capture
10-14 03:52 40m -14 / - R7YZ - / - 6 Partial capture
10-14 03:49 40m -13 / - RJ2T - / - 4 Partial capture
10-14 03:46 40m -13 / - KD6WW - / - 5 Partial capture
10-14 03:43 40m -14 / - YY4JLG - / - 6 Partial capture
10-14 03:40 40m -16 / - R6OY - / - 6 Partial capture
10-14 03:38 40m -13 / - 9A7PCR - / -4 4 ✓ Closing fragment
10-14 03:35 40m -15 / - AA3GA - / - 6 Partial capture
10-14 03:32 40m -12 / - W2SEF - / - 6 Partial capture
10-14 03:29 40m -10 / - KI5NVM - / - 6 Partial capture
10-14 03:26 40m -10 / - R4BD - / - 6 Partial capture
10-14 03:23 40m -7 / - WX6B - / - 5 Partial capture
10-14 03:22 40m -12 / - OZ1LD - / -4 3 ✓ Closing fragment
10-14 03:19 40m -11 / - KQ4WKP - / -16 5 Partial capture
10-14 03:14 40m -13 / - RZ9A - / - 5 Partial capture
10-14 03:12 40m -10 / - K3IE - / -8 4 ✓ Closing fragment
10-14 03:09 40m -10 / - UB3KGW - / -21 6 ✓ Closing fragment
10-14 03:07 40m -13 / - YO3HBK - / -13 4 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

Frequency values are decoder audio offsets in hertz, not RF frequencies.

40m
UTC    dB Audio  Message
060200 -16 1152  IZ3CGL F5NNN IN94
060315  -8  652  F5NNN IZ3CGL -11
060900 -12 1152  DD2MON F5NNN IN94 (x2)
060945  -7 1153  F5NNN DD2MON RR73
061000 -12 1152  DD2MON F5NNN 73
061030 -16 1152  IK2ZJR F5NNN IN94 (x2)
062915 -23 2076  F5NNN ON8WR 73
064245  -8  418  F5NNN SQ8V KO01 (x4)
065030 -17  912  CQ F5NNN IN94                         a1 (x2)
80m
UTC    dB Audio  Message
044430 -24 2000  CQ F5NNN IN94 (x2)
044945 -15  570  KF8EXX F5NNN R-14 (x2)
045045 -12  570  CQ F5NNN IN94 (x6)
050445 -23 2000  F5BZB F5NNN IN94
051945 -14  520  CQ F5NNN IN94                         a1
054545  -9  531  F5NNN DO2KTE JO50 (x3)
20m
UTC    dB Audio  Message
083900  -5 1412  OH6GAZ F5NNN IN94 (x2)
005500 -21 1517  F5NNN KE9AYZ -13 (x13)
10m
UTC    dB Audio  Message
211630 -12 1204  F5NNN DD5GG JN39 (x4)
212200 -21 1204  F5NNN DO5UVB JO31
212200 -14 1463  F5NNN DN9ZZ +15 (x2)
212430 -20 1204  F5NNN DO5UVB 73
212800  +4 2895  F5NNN DB8JV +08 (x2)
213430 -11 1294  F5NNN HB3YQY +09 (x3)
213930 -22 1705  F5NNN DA6PP +12 (x2)

Decoder S/N history by band

Count-weighted daily averages across messages attributed to this profiled token and successfully decoded at SO8OO, limited to the rolling 90-day UTC chart window.

CW

No CW receptions recorded for this callsign in the last 30 days.

Explore CW reception at SO8OO

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